8 years manufacture provided telephone jammer blocker,call blocking devices,call blocker

color box per piece,50 pieces per carton.

call blocking devices phone jammer blocker call blocker 

Technical Features:

1. FSK/DTMF dual system;
2. Automatic updated time and date when a new call coming.
3. Permanent storage of 1500 numbers in blacklist
4. 100 incoming call records
5. 50 outgoing call records
6. 4 levels of LCD brightness adjustable
7. One-key-set of block on incoming calls
8. Battery-saving
9. Desk/Wall mountable

INSTALLATION

Unit Packing List    

1. One x Phone call blocker
2. One x Telephone calbe
3. One x wall hanging bracke
4. One x Manual    
5. One X Colorful box

Detailed Pictures Show:

How to block telephone calls ?

1) Blacklist:

Storage :  When checking the incoming and out going phone numbers,press BLACKLIST,this item displayed will be added into the blacklist, the LCD will display SAVE and SUCCEED.If the number have been in the blacklist, it will display REP

Checking and Delete:  In off hook state, press UP/DOWN for the uppage and downpage. LCD display the blacklists, and the quantity of the blacklists display on the above. Press REMOVE can delete this item on display, if hold on the REMOVE for 3 seconds, all blacklist will be deleted.

Operation of the Blacklist :  When the number was in the Blacklist, the same incoming number will be blocked and the device will pick up and them off hook after 1000MS.

2) Remove

When display the incoming ,outgoing and blacklist, press REMOVE can delete the the displaying number.And press REMOVE lasting 3 seconds, all incoming numbers  ,outgoing numbers and blacklists are deleted, and will display  when finish. 

What kind of calls can be blocked ?

1. Robocalls
2. Telemarketing Calls
3. Blocked number calls
4. No name no number calls
5. Automated or computer generated calls
6. Market research calls
7. Fax Calls
8. Nuisance Calls

Factory' information:

1. Style: manufacture
2. Year of established: 2000
3. Factory address: 189 Industrial Area, Heng gang town, Long gang district, Shen zhen, China
4. Factory: 2000 square maters
5. Factory workers: 200-300 people
6. Enginners: 5 persons
7. QC: 6 persons
8. Management: 6 persons
9. Production capacity: 5000-10000 pcs/day
10. Production Scope: Caller ID Telephone; T/P Basic Telephone; Big Button Telephone;Wall Telephone; Antique Telephone
11. Quality Control: QC department from raw materials till finished products ( AQL 1.5)
12. Main market: South America, Africa, Southeast Asia, Europe, Indonisia, ect

Factory workshop 

 assembling line

All related certificates could be supplied if needed, such as CE, RoHS, FCC, TBR21, TBR38 and so on